package com.howie.gulimall.coupon.service.impl;

import com.howie.common.to.MemberPrice;
import com.howie.common.to.SkuReductionTo;
import com.howie.gulimall.coupon.entity.MemberPriceEntity;
import com.howie.gulimall.coupon.entity.SkuLadderEntity;
import com.howie.gulimall.coupon.service.MemberPriceService;
import com.howie.gulimall.coupon.service.SkuLadderService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.howie.common.utils.PageUtils;
import com.howie.common.utils.Query;

import com.howie.gulimall.coupon.dao.SkuFullReductionDao;
import com.howie.gulimall.coupon.entity.SkuFullReductionEntity;
import com.howie.gulimall.coupon.service.SkuFullReductionService;


@Service("skuFullReductionService")
public class SkuFullReductionServiceImpl extends ServiceImpl<SkuFullReductionDao, SkuFullReductionEntity> implements SkuFullReductionService {
    @Autowired
    SkuLadderService skuLadderService;
    @Autowired
    MemberPriceService memberPriceService;
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuFullReductionEntity> page = this.page(
                new Query<SkuFullReductionEntity>().getPage(params),
                new QueryWrapper<SkuFullReductionEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public void saveSkuReduction(SkuReductionTo skuReductionTo) {
        // sku的优惠、满减等信息(gulimall_sms -> sms_sku_ladder/sms_sku_full_reduction/sms_member_price)
        // 1、sms_sku_ladder
        SkuLadderEntity skuLadderEntity = new SkuLadderEntity();
        skuLadderEntity.setSkuId(skuReductionTo.getSkuId());
        skuLadderEntity.setFullCount(skuReductionTo.getFullCount()); // 满几件
        skuLadderEntity.setDiscount(skuReductionTo.getDiscount()); // 打几折
        skuLadderEntity.setAddOther(skuReductionTo.getCountStatus()); // 是否叠加其他优惠

        if(skuReductionTo.getFullCount() > 0){
            skuLadderService.save(skuLadderEntity); // 保存优惠信息
        }
        // 2、满减信息(sms_sku_full_reduction)
        SkuFullReductionEntity skuFullReductionEntity = new SkuFullReductionEntity();
        BeanUtils.copyProperties(skuReductionTo,skuFullReductionEntity);

        if(skuReductionTo.getFullPrice().compareTo(BigDecimal.ZERO) > 0){
            this.save(skuFullReductionEntity); // 保存满减信息
        }

        // 3、会员价格(sms_member_price)
        List<MemberPrice> memberPrices = skuReductionTo.getMemberPrices();
        if(memberPrices != null){
            List<MemberPriceEntity> memberPriceEntities = memberPrices.stream().map((item) -> {
                MemberPriceEntity memberPriceEntity = new MemberPriceEntity();
                memberPriceEntity.setSkuId(skuReductionTo.getSkuId());
                memberPriceEntity.setMemberLevelId(item.getId());
                memberPriceEntity.setMemberLevelName(item.getName());
                memberPriceEntity.setMemberPrice(item.getPrice());
                memberPriceEntity.setAddOther(1);
                return memberPriceEntity;
            }).filter(item -> {
                return item.getMemberPrice().compareTo(BigDecimal.ZERO) > 0;
            }).collect(Collectors.toList());

            memberPriceService.saveBatch(memberPriceEntities);
        }
    }
}